AU Docket No. 12-25
1. By this Public Notice, the Wireless Telecommunications and Wireline Competition Bureaus
(the Bureaus) announce the availability of an updated list, based on January 2012 American Roamer data, of census blocks potentially eligible for Mobility Fund Phase I support to be offered in Auction 901, as well as other updated information consistent with the revised list.
2. In the Auction 901 Comment Public Notice, the Bureaus scheduled Auction 901 for
September 27, 2012, and sought comment on procedures for the auction and certain program requirements.1 Among other things, we concluded that we would identify census blocks eligible for the Mobility Fund Phase I support to be offered in Auction 901 based on an analysis of the most recent available American Roamer data, from January 2012.2 We described the methodology for identifying potentially eligible blocks and provided a preliminary list of such blocks based on our analysis of October 2011 American Roamer data, in electronic format as Attachment A files, as well as certain summary information (based on the same data) in Attachments A and B released with the Auction 901 Comment Public Notice.3 Further, we stated that upon completion of our analysis of the January 2012 American Roamer data we would provide an updated list of potentially eligible census blocks and related updated information for Attachments A and B.4
3. The Bureaus have finished that analysis and are now providing the updated information. The
updated list of potentially eligible blocks based on January 2012 American Roamer data is available in electronic format only, as separate “Attachment A” files at http://wireless.fcc.gov/auctions/901/.5 For each potentially eligible block, individually identified by its Federal Information Processing Series (FIPS) code, these files provide the population and area of the block; the associated state, county, tract, and block group; any associated Tribe and Tribal land; and the number of road miles in each road mile category.

1 “Mobility Fund Phase I Auction Scheduled for September 27, 2012; Comment Sought on Competitive Bidding Procedures for Auction 901 and Certain Program Requirements,” AU Docket No. 12-25, DA 12-121, paras. 15-17, 19, rel. February 2, 2012 (Auction 901 Comment Public Notice). A summary of the Auction 901 Comment Public Notice was published in the Federal Register at 77 Fed. Reg. 7152 (Feb. 10, 2012).
2 Auction 901 Comment Public Notice, at para. 15.3 Id. at paras. 15-16.4 Id. at paras. 15-17, 19, 21. 5 A paper copy of Attachment A and any other documents relating to Auction 901 may be purchased from the Commission’s duplicating contractor, Best Copy and Printing, Inc. (“BCPI”), 445 12th Street, SW, Room CY-B402, Washington, DC 20554, 800-378-3160 or at http://www.bcpiweb.com. When ordering documents from BCPI, please provide the appropriate FCC document number (for example, DA 12-187 for this Public Notice).

Federal Communications Commission

DA 12-187

4. Attachment A released with this Public Notice provides a summary of the updated list of
potentially eligible census blocks based on January 2012 American Roamer data. For each state and territory, Attachment A provides the total number of potentially eligible census blocks (unserved census blocks with road miles), the total number of block groups with such blocks, the total number of tracts with such blocks, the total number of counties with such blocks, and the number of cellular market areas (CMAs) with such blocks. For each state and territory, Attachment A also provides the total population and area of the potentially eligible blocks, and the total number of road miles in each of the road mile categories.6
5. As noted in the Auction 901 Comment Public Notice, for Auction 901, we will use road miles
from the Census Bureau’s TIGER data for calculating the units in each eligible census block for purposes of comparing bids and measuring performance of Mobility Fund Phase I recipients.7 Attachment B released with this Public Notice provides nine categories of roads in the TIGER data, their descriptions, and the total number of miles of each category in the potentially eligible census blocks on the updated list we announce with this Public Notice.8
6. Concurrent with the release of this Public Notice, the Bureaus announce the availability of a
map of the potentially eligible blocks on the updated list. The map is an interactive visual representation of data from the updated Attachment A files. The Attachment A files contain more information and generally more detail than is displayed on the map. The map is available at http://wireless.fcc.gov/auctions/901/ and at http://www.fcc.gov/maps/.
7. For additional information about Auction 901, including an overview of requirements to
participate in the auction and proposals for auction procedures, you should consult the Auction 901 Comment Public Notice. As set forth in that public notice, comments are due February 24, and reply comments March 9, 2012. That public notice and additional information about Auction 901 may be found at http://wireless.fcc.gov/auctions/901/.
8. For further information, contact Lisa Stover of the Auctions and Spectrum Access Division at
(717) 338-2868. To request materials in accessible formats (Braille, large print, electronic files, audio format) for people with disabilities, send an e-mail to fcc504@fcc.gov or call the Consumer and Governmental Affairs Bureau at (202) 418-0530 or (202) 418-0432 (TTY).- FCC -

6 We note that the U.S. Census Bureau has not yet released 2010 Census block-level population data for American Samoa, the Commonwealth of the Northern Mariana Islands, and Guam. Consequently, the population of the unserved blocks in these territories is not provided in the Attachment A files.
7 Auction 901 Comment Public Notice, at para. 21.8 The information on TIGER road categories is from Appendix F – MAF/TIGER Feature Class Code (MTFCC) Definitions, pages F-186 and F-187 at http://www.census.gov/geo/www/tiger/tgrshp2010/documentation.html.
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